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ESP32-S3-PhotoPainter is not working #402

@Stepyon

Description

@Stepyon

Hi,

I bought ESP32-S3-PhotoPainter device but struggling to make it working.
I updated the GPIO config according to the device schematic

/**
 * GPIO config
**/
#define EPD_SCK_PIN     10
#define EPD_MOSI_PIN    11
#define EPD_CS_PIN      9
#define EPD_DC_PIN      8
#define EPD_RST_PIN     12
#define EPD_BUSY_PIN    13
#define EPD_PWR_PIN     6

#define GPIO_PIN_SET   1
#define GPIO_PIN_RESET 0

Compiled EPD_7in3e_test() and see the following logs:

e-Paper Init and Clear...
e-Paper busy H
e-Paper busy H release
e-Paper busy H
e-Paper busy H release
e-Paper busy H
e-Paper busy H release
e-Paper busy H
e-Paper busy H release
e-Paper busy H
e-Paper busy H release
SelectImage:BlackImage
Drawing:BlackImage
EPD_Display
e-Paper busy H
e-Paper busy H release
e-Paper busy H
e-Paper busy H release
e-Paper busy H
e-Paper busy H release
Clear...
e-Paper busy H
e-Paper busy H release
e-Paper busy H
e-Paper busy H release
e-Paper busy H
e-Paper busy H release
Goto Sleep...
e-Paper busy H
e-Paper busy H release
close 5V, Module enters 0 power consumption ...

But the screen remains static, nothing is rendered, no flickering, just like it is not powered.

My guess is "EPD_PWR_PIN 6" value can be wrong and screen is not powered.
I could not find which power pin should I use for this device, so I left the default value as well as GPIO_PIN_SET and GPIO_PIN_RESET values.

Also I'm not quite sure which board should I select for this device in Arduino IDE..

Any hints?

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